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dnl Various base M4 macros
dnl $Id: acinclude.m4 127146 2008-07-28 11:01:13Z quinot $
dnl Allow various parameters to be overridden by distrib.m4, a file
dnl generated when preparing a source distribution package.
m4_sinclude([support/distrib.m4])
dnl Usage: pkg_version(release)
dnl Expands to the complete version string built from:
dnl - the indicated product release;
dnl - ADDITIONAL_VERSION
dnl ADDITIONAL_VERSION may be defined in distrib.m4.
define([pkg_version],[$1[]ifdef([ADDITIONAL_VERSION],ADDITIONAL_VERSION)])
dnl Usage: FILTER_OUTPUT_FILES(list, files)
dnl If LIST is the name of a file containing a list of filenames
dnl return those members of list FILES whose corresponding templates (XXX.in)
dnl are mentioned in LIST. Otherwise return FILES unchanged.
dnl AC_DEFUN([FILTER_OUTPUT_FILES],
dnl [ifdef($1,
dnl [m4_foreach_w(mfile, m4_normalize(defn($1)), [define([$M$]mfile,1)])
dnl m4_foreach_w(file, m4_normalize($2), [ifdef([$M$]file[.in],[file ])])],
dnl $2)])
AC_DEFUN([FILTER_OUTPUT_FILES],[esyscmd(
[if test -f $1; then
mkdir conftest
sed -n 's/\.in$//p' < $1 | sort | uniq > conftest/list
echo "$2" | tr -d ' \t' | grep -v '^$' | sort | uniq > conftest/files
comm -12 conftest/list conftest/files
rm -fr conftest
else
echo "$2"
fi])])
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